never disable any of these or override them. >> reporter: flying objects also pose a danger. so demonstrate consumer reports mowed over several golf balls. sharp pieces flew over 100 feet away. be aware of where the discharge is pointing. it is best to keep children and pets away from mowing. as for kennedy, she -- kenly she still faces more surgeries. >> every day i think of it and every day i wish it didn't happen but it did and i don't want it to happen to anyone else. >> reporter: lesli foster for 9 news now and wusa9.com. >> here's another important safety precaution, don't drink and mow. a consumer report survey says that 12% of people drink beer while cutting grass. that can impair your judgment